By JONATHAN SIDENER Copley News Service If you asked most Americans in 1985 whether they had any use for a PC with a modem and a hard drive, you would have met with a lot of laughter and blank stares.

By Redwine, David What you don't know can hurt you! So, here comes the knowledge doctor to make something that's overwhelming, understandable to many people.

Anyone trying to choose a high-speed Internet provider will encounter a confusing array of computer terms.